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NOTICE: SIGNALT Calculations are currently running through final testing and may be inaccurate until completed.

Ralfe's Ck @ Hollis 42051

Source	Office of Environment and Heritage
Latest Sample Date	05-05-2010
Taxa count ORDER	11
Taxa count FAMILY	40
Taxa count ALT	40
Mayflies present?	42
	ORDER	FAMILY	ALT
SIGNAL	5	5.1	4.6
Weighted SIGNAL	5.1		5.4

Waterbug Land Use

	Category	ALUM Categories	Percent of upstream catchment	Area
	Minimal Use	1.3.0 Other minimal use, 1.3.3 Residual native cover, 2.1.0 Grazing native vegetation	44.90%	4,194,433,043m²
	Natural	1.1.3 National park	37.04%	3,459,357,152m²
	Forestry	2.2.0 Production native forests	10.56%	986,351,833m²
	Pastoral Farming	3.2.0 Grazing modified pastures	6.06%	565,808,415m²
	Water	6.3.0 River	1.05%	98,260,145m²
	Residential And Infrastructure	5.7.2 Roads	0.39%	36,503,769m²
Show minor land uses 2
				93,407,144m²

Waterbug sample history

Sampled on 5 May 2010

Taxa	Abundance	SIGNALT Grade
Hirudinea LH	1	1
Glossiphoniidae (Unident.) LH019999	1
Acarina MM	2	6
Mites (Unident.) MM999999	2

Unknown OT	22
Atyidae (Unident.) OT019999	22

Coleoptera QC	80	5
Dytiscidae (Unident.) QC099999	6
Hydrophilidae (Unident.) QC119999	57

Hydraenidae (Unident.) QC139999	1

Elmidae (Unident.) QC349999	14

Psephenidae (Unident.) QC379999	2

Diptera QD	22	3
Tipulidae (Unident.) QD019999	3
Culicidae (Unident.) QD079999	2

Ceratopogonidae (Unident.) QD099999	2

Simuliidae (Unident.) QD109999	4

Athericidae (Unident.) QD229999	2

Orthocladiinae (Unident.) QDAF9999	1
Chironominae (Unident.) QDAJ9999	8
Ephemeroptera QE	42	9
Baetidae (Unident.) QE029999	16
Leptophlebiidae (Unident.) QE069999	22
Caenidae (Unident.) QE089999	4
Hemiptera QH	30	2
Hydrometridae (Unident.) QH549999	4
Veliidae (Unident.) QH569999	2
Corixidae (Unident.) QH659999	17
Notonectidae (Unident.) QH679999	7
Megaloptera QM	22	8
Corydalidae (Unident.) QM019999	22

Odonata QO	38	3
Coenagrionidae (Unident.) QO029999	6
Protoneuridae (Unident.) QO049999	1
Synlestidae (Unident.) QO089999	3
Aeshnidae (Unident.) QO129999	11
Gomphidae (Unident.) QO139999	11
Libellulidae (Unident.) QO179999	6
Plecoptera QP	4	10
Gripopterygidae (Unident.) QP039999	4
Trichoptera QT	110	8
Hydrobiosidae (Unident.) QT019999	14
Glossosomatidae (Unident.) QT029999	1
Philopotamidae (Unident.) QT049999	41
Hydropsychidae (Unident.) QT069999	7
Calocidae (Unident.) QT189999	12
Helicophidae (Unident.) QT199999	16
Philorheithridae (Unident.) QT219999	2
Odontoceridae (Unident.) QT229999	2
Calamoceratidae (Unident.) QT249999	1
Leptoceridae (Unident.) QT259999	14

SIGNALT	5.0
	ORDER
Weighted SIGNALT	4.9